'''Faithful''' may refer to:

* Faithful, a baptised Catholic
* Faithful, an album by Todd Rundgren
* Faithful, an album by the Hillsong Church
* Faithful, a song by Go West
* Faithful, a book about the Boston Red Sox
* Faithful, a film starring Cher and Chazz Palminteri

''Mathematics:''
* Faithful representation
* Faithful group action
* F...(continue reading)